Genus: Deinodon LEIDY, 1856
Etymology: Greek, deinos “terrible” and Greek, odon “tooth”, Terrible tooth.
= Dinodon COPE, 1868
Etymology: Greek, deinos “terrible” and Greek, odon “tooth”, Terrible tooth.

Species: horridus LEIDY, 1856
Etymology: Latin, horridus, "frightful."
= Dinodon horridus (LEIDY, 1856) COPE, 1868
= Aublysodon horridus (LEIDY, 1856) COPE, 1869
= Megalosaurus horridus (LEIDY 1856) NOPCSA, 1902
= Gorgosaurus horridus (LEIDY 1856) MATTHEW & BROWN, 1922 (suggested)

Syntype: ANSP 9533-9534

Locality: Missouri River, Fort Benton, Chouteau County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Fragmentary premaxillary teeth.

Referred material:

ANSP 9537-9540, 9542, 9544: Teeth.

 

 

LAMBE, 1902

Locality: Red Deer River, Alberta Province, Canada.

Horizon: Judith River Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

Number: Not given: Teeth, a few phalanges, and a metatarsal with fragments of others.